Features: OOTDTY brand new and immoderate quality. Quiet stable wind, widely used. It is product of materials and might be used for an extended for . Installation is simpler. Four sizes in your choice, 6/8/10/12 inches. Specifications: Material: Plastic Size: 6 inch/8 inch/10 inch/12 inch Color: White Package Includes: 1x Fan Blade Note: 1 enable 1-2cm mistakes because of handbook measurement, just you'll want to don't intellect before you order. 2 to the difference between diverse monitors, the picture may not reflect the particular coloration of the item.